horizon/openstack_dashboard/dashboards/admin/aggregates/forms.py

64 lines
2.3 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.aggregates import constants
INDEX_URL = constants.AGGREGATES_INDEX_URL
class UpdateAggregateForm(forms.SelfHandlingForm):
use_required_attribute = False
name = forms.CharField(label=_("Name"),
max_length=255)
availability_zone = forms.CharField(
label=_("Availability Zone"),
max_length=255,
# This message is used when the initial value is non-empty.
# Once AZ is set, nova API does not allow us to clear it.
error_messages={
'required': _("The new availability zone can't be empty"),
},
)
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
old_availability_zone = self.initial['availability_zone']
if not old_availability_zone:
self.fields['availability_zone'].required = False
def handle(self, request, data):
id = self.initial['id']
name = data['name']
availability_zone = data['availability_zone']
aggregate = {'name': name}
if availability_zone:
aggregate['availability_zone'] = availability_zone
try:
api.nova.aggregate_update(request, id, aggregate)
message = (_('Successfully updated aggregate: "%s."')
% data['name'])
messages.success(request, message)
except Exception:
exceptions.handle(request,
_('Unable to update the aggregate.'))
return True